327478720

素因数分解:

$2^6\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1481}}^1$

素因数の和:2189

約数の個数: 56

約数和(自身を含む): 781464528

約数和(自身を除く): 453985808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 691, 1382, 1481, 2764, 2962, 3455, 5528, 5924, 6910, 7405, 11056, 11848, 13820, 14810, 22112, 23696, 27640, 29620, 44224, 47392, 55280, 59240, 94784, 110560, 118480, 221120, 236960, 473920, 1023371, 2046742, 4093484, 5116855, 8186968, 10233710, 16373936, 20467420, 32747872, 40934840, 65495744, 81869680, 163739360, 327478720]

約数ペア:

[(1, 327478720), (2, 163739360), (4, 81869680), (5, 65495744), (8, 40934840), (10, 32747872), (16, 20467420), (20, 16373936), (32, 10233710), (40, 8186968), (64, 5116855), (80, 4093484), (160, 2046742), (320, 1023371), (691, 473920), (1382, 236960), (1481, 221120), (2764, 118480), (2962, 110560), (3455, 94784), (5528, 59240), (5924, 55280), (6910, 47392), (7405, 44224), (11056, 29620), (11848, 27640), (13820, 23696), (14810, 22112)]